... : 5t Span:18m Working Class:A5,A6 Simens Electric Parts... Lifting Gantry Crane Equipment with Hook 5tDesign and manufacture according to GB ... /T 14406 "General gantry crane".Mainly made up of bridge, trolley, crane traveling mechanism and electric system.All the ... , explosive, corrosion, overloading, dust and other dangerous operations electric Tower crane equipment